Science & Tech · Cybersecurity · 2 hrs ago
NTT Docomo suspends online services after suspected unauthorized access
On November 5, NTT Docomo said its servers may have been accessed without permission.
The company suspended its online shop, where customers buy phones, and My docomo, which lets them check and change their contracts.
Emergency maintenance began at about 1:05 a.m., and customers cannot use the online shop or complete procedures on My docomo.
Docomo is investigating the cause and the extent of the impact; it has not said whether customer information was affected.
The company has not announced when the services will return.
Customers who need to handle something urgently can ask for help at a Docomo shop or an electronics retailer.
NTT Docomo suspended My docomo and the Docomo Online Shop after judging that unauthorized access to its servers was highly likely.
The services went into emergency maintenance at about 1:05 a.m. on Nov. 5.
The online shop became unavailable, and My docomo users could not complete procedures such as contract changes.
Docomo is investigating the cause and the extent of the impact, and has not announced when services will resume.
The company advised customers needing urgent procedures to consult Docomo shops or electronics retailers.
- Who
- NTT Docomo.
- What
- It suspended My docomo and the Docomo Online Shop during emergency maintenance after suspecting unauthorized access to its servers.
- When
- From about 1:05 a.m. on Nov. 5, 2026.
- Where
- The affected online services are used across Japan.
- Why
- Docomo judged that unauthorized access to its servers was highly likely and suspended the services to investigate the cause.
This story does not have two clearly opposing sides.
Docomo said it had ended preventive security maintenance and resumed services, and that it had not confirmed unauthorized access to its sites at that time.
Emergency maintenance began on My docomo and the Docomo Online Shop.
Docomo had not announced a resumption time.
- Affected services
- My docomo and Docomo Online Shop
- Maintenance began
- About 1:05 a.m. on Nov. 5, 2026
- Status
- Both services were suspended during emergency maintenance
- Resumption
- Timing not announced as of 9 a.m.
- Customer guidance
- Consult Docomo shops or electronics retailers for urgent procedures